If you don't have a spare machine lying around to serve duty as a file server, you can either get a cheapo bare bones PC to fill the role, or invest in an external storage solution.

ENGADGET: HOW-TO: Turn your Mac mini into a media center

His role was to carry and assemble spare parts for the machine gun and to make sure it worked.

BBC: Somerset - In Profile: Harry Patch

Our current education system produces spare parts for the machine.

FORBES: Sugata Mitra: An Interview with the 2013 TED Prize Winner